A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-591-0616
NSN 6645-01-251-7887
NSN 6220-00-515-0437
NSN 5925-01-145-6168
NSN 6110-01-293-9091
NSN 5935-01-090-1681
NSN 2925-00-918-0859
NSN 6150-01-011-6176
NSN 6620-01-558-6558
NSN 6645-01-522-5144
NSN 5915-01-012-6386
NSN 6650-01-243-5291